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Microorganisms and Disease

Microorganisms and Disease
An important host defense of human beings is a dense resident microbiota associated with

uterus
lungs
vagina
bladder

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Microorganisms and Disease
The nature of the poliovirus gives for oral vaccination (satin vaccine) as part of the eradication programme is

formalin-inactivated viruses
heat killed virus
small dosage of wild-type live viruses
live attenuated strains of all three immunological types

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Microorganisms and Disease
Pseudomembraneous colitis is

precipitated by the use of certain antibiotics
caused by a gram-positive bacterium
All of these
caused by a spore-forming bacterium

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Microorganisms and Disease
Which of these cytokines is also known under the name cachectin?

Interleukin 2
Interferon gamma
Tumor necrosis factor (TNF)
None of these

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Microorganisms and Disease
Mucus helps in protecting against pathogens by

facilitating the growth of normal flora
blocking access and attachment of pathogens to mucosal surfaces
sequestering Iron
lowering the pH

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Microorganisms and Disease
Lactoferrin helps to protect against pathogens by

blocking sebum production
sequestering Iron
lowering the pH
facilitating the growth of normal flora

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